Pentair 073270Z Manifold Replacement Kit SM and SMBW Pool and Spa D.E. Filter Manifold replacement kit Fits Pentair SM & SMBW 4000 Series pool and spa sheet molded D.E. filters Also fits Pentair SM & SMBW 2000 Series pool and spa stainless steel D.E. filters Measures 24-inch length by 24-inch height by 6-inch width